for one file:
For X = 1,
P(~A and B)
or
P(A and ~B) =
0.6 * 0.3 + 0.4*0.7 = 0.46
Oh, I think I see, the universe for P(A and B) is first
or
second file
while P(~A and B) or P(A and ~B) the universe is first, second or no
file.
Answer:
152£
Step-by-step explanation:
1. 1/3 of the coins is 255/3=85 85coins is worth 1£
2. 110 of the coins are worth 50p
3. to figure out hos many 20p coins
total number of coins - number of 1£ coins - number of 50p coins
255-85-110=60
60 of the coins are worth 20p
4 add everything togheter
85£ from first
110/2=55£ from second
60 coins are worth 20p
5 coins make 1£
60/5=12£
5. add everything 85+55+12=152£
9 yards hope it helped :)
1st and 2nd pictures are for finding area and 3rd picture is for finding perimeter
hope you understood well and if not and you can ask again
C = 30.7 degrees, A = 76.3 degrees and a = 15.2